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Preparation of Ti incorporated Y zeolites by a post-synthesis method under acidic conditions and their catalytic properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
41841 45901 2010 6 PDF Available
Title
Preparation of Ti incorporated Y zeolites by a post-synthesis method under acidic conditions and their catalytic properties
Abstract

Ti incorporated Y zeolites were prepared by post-synthesis treatment of a dealuminated USY zeolite with an aqueous solution of (NH4)2TiF6, and characterized by XRD, 27Al MAS NMR, FT-IR, SEM, TEM, UV–vis, and XANES techniques. The results showed that Ti species were tetrahedrally incorporated into the hydroxyl nests in the zeolite framework under acidic conditions. Furthermore, the catalytic performance of Ti incorporated Y zeolites in epoxidation of cycloalkenes using an aqueous solution of hydrogen peroxide was higher than that of TS-1 zeolite.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (128 K)Download as PowerPoint slideResearch highlights▶ Ti incorporated Y zeolites were prepared by post-synthesis under acidic conditions. ▶ The incorporated Ti species in Ti-USY zeolite framework were tetrahedral. ▶ Ti-USY zeolite shows the higher catalytic performance in epoxidation of cycloalkenes.

Keywords
Ti incorporated Y zeolite; Post-synthesis; Dealumination; Titanation; Epoxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 388, Issues 1–2, 20 November 2010, Pages 256–261
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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100% Money Back Guarantee
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